Forgotten Ancient [Scourge] Wizards Play Network 2011 where X is the total

where X is the total power of the creatures they exiled this way

Set: Ravnica: City of Guilds Type: Instant Rarity: Uncommon Cost: {3}{W} Destroy target artifact or enchantment

Set: Aether Revolt Promos Type: Sorcery Rarity: Rare Cost: {2}{B}{B} All creatures get -3/-3 until end of turn

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Rare Cost: {W}{W}{W} Enchant land

Forgotten Ancient [Scourge] Wizards Play Network 2011 where X is the totalSet: Scourge Type: Creature Elemental Rarity: Rare Cost: {3}{G} Whenever a player casts a spell, you may put a +1 +1 counter on Forgotten Ancient. At the beginning of your upkeep, you may move any number of +1 +1 counters from Forgotten Ancient onto other creatures. Its blood is life. Its body is growth.